fluorescence yield

英 [ˌflɔːˈresns jiːld] 美 [ˌflɔːˈresns jiːld]

荧光产额;荧光产率

化学



双语例句

  1. Fluorescence spectra and fluorescence quantum yield of scopoletin
    东莨菪内酯的荧光光谱与荧光量子产率
  2. Direct determination of fluorescence quantum yield in dilute dye solution by a laser photothermal deflection method is rePOrted. An experimental verification of the method is carried out for Rhodamine 6G in methanol and advantages of the method over different methods are discussed.
    报道了一种采用激光光热偏转法直接测量稀染料溶液的绝对荧光量子产额的新方法,以若丹明6G甲醇溶液为样品,证实了该方法的可行性,并讨论了其优缺点。
  3. Spectral Properties, Protonation and Fluorescence Quantum Yield of Ciprofloxacin
    环丙沙星的光谱性质、质子化作用与荧光量子产率
  4. Covalent bonds between chromogen and macromolecule chains enhance their photochemical stability, increase their whitening performance and fluorescence quantum yield.
    发色团与高分子链间的共价键使其光化学稳定性大大增强,增白性能和荧光量子产率显著提高。
  5. Fluorescence spectra and fluorescence quantum yield of sulfosalicylic acid ( SSA) have been studied.
    报道了磺基水杨酸(SSA)的荧光光谱和荧光量子产率。
  6. Were studied. Results show that the fluorescence yield, maximal efficiency of PS II photochemistry, oxygen evolution and electron transport rate are decreased when LaCl_3 concentrations in cucumber are increased.
    结果表明,随着黄瓜体内LaCl3浓度的升高、其荧光量子产率、PSⅡ最大光化学效率、放氧活性和电子传递速率都明显降低。
  7. Their m.p., infrared spectra, NMR spectra,λ man of UV spectra and fluorescence spectra, fluorescence quantum yield as well as laser properties of the compounds are listed in tables.
    测定了它们的熔点、红外光谱、核磁共振谱、紫外光谱、荧光光谱、荧光量子产率和激光转换效率。并借助红外谱图、核磁谱图对化合物的结构进行了分析。
  8. On the contrary, initial fluorescence yield ( F o) increased obviously during the whole stress.
    而初始荧光(Fo)则在整个胁迫过程中呈上升趋势。
  9. In addition, the added histidine suppressed the decrease of 77 K fluorescence yield of PS ⅰ particles during the illumination.
    外加组氨酸还可以有效地抑制光照过程中PSⅠ颗粒77K荧光产量的下降。
  10. Fluorescence Quantum Yield of Human and Bovine Serum Albumin
    人血清白蛋白和牛血清白蛋白荧光量子产率的测量
  11. The fluorescence yield at room temperature, the capacity of excitation energy distribution between photosystem ⅰ and ⅱ by Mg 2+, variable fluorescence yield, variable fluorescence quenching rate and fluorescence complementary area were decreased under water stress. These indicated that photosystem ⅱ was impaired.
    水分胁迫可降低小麦叶绿体的室温荧光产量和Mg2+在两个光系统间的调节能力、叶片的可变荧光产量、可变荧光猝灭速率以及荧光上升互补面积,表明光系统Ⅱ受到了伤害。
  12. Influence of excitation wavelength and experimental conditions on thefluorescence spectra and fluorescence quantum yield were also investigated.
    考察了激发光波长及实验条件对它们荧光光谱及荧光量子产率的影响。
  13. On the base of fluorescence quantum yield and lifetime measurement, the rate constants of radiation decay and non radiation decay of this compound were calculated.
    在测定其荧光寿命及荧光量子产率基础上计算出它们的辐射及非辐射衰变速度常数。
  14. Fluorescence spectra and fluorescence quantum yield of triton X-100 ( TX) aqueous solution are reported.
    报道了曲通X-100(TX)水溶液的荧光光谱与荧光量子产率。
  15. Fluorescence spectra, ultraviolet absorption spectra, and protonation of Ciprofloxacin ( CIP) at different pH values have been studied. Fluorescence quantum yield of CIP under neutral condition has been measured.
    研究了环丙沙星(ciprofloxacin,CIP)在不同pH条件下的荧光光谱、紫外吸收光谱和质子化作用,测量了CIP在中性条件下的荧光量子产率。
  16. Online the primary fluorescence yield of the line of interest in EPMA
    在EPMA中分析线的初级荧光产额行业在线
  17. So finding two-photon fluorescent probe with large two-photon excited fluorescence action cross-section, high fluorescence quantum yield and sensitivity has important theoretical and practical significance.
    因此,寻求具有大的识别诱导双光子荧光活性吸收截面、高荧光量子产率和灵敏的识别响应性的双光子荧光探针具有重要的理论和实践意义。
  18. Meanwhile their fluorescence quantum yield was higher, while the thermodynamic pKa value was lower.
    同时,荧光量子产率有所增大,其热力学常数pKa有所降低。
  19. Porphyrin and porphyrin metal compounds with high fluorescence quantum yield, large Stokes shift, the relative length of the excitation and emission wavelengths, and is widely used in molecular recognition.
    卟啉和金属卟啉化合物具有高的荧光量子产率、大的Stokes位移、相对长的激发和发射波长,而被广泛应用于分子识别中。
  20. Fundamental photophysical properties are also studied including absorbance and fluorescence spectrum, fluorescence quantum yield, fluorescence lifetime and two-photon absorption section in different solvents. The data exhibits its sensitive to the polarity of solvents.
    测试了探针PAHPN在不同极性溶剂中的紫外吸收光谱、荧光发射光谱、荧光量子产率、荧光寿命以及双光子性质,结果显示PAHPN光物理性质对环境极性敏感。
  21. For the synthesized D-A type molecules ( 4a-4F), the solvent effects, absorption spectroscopy, fluorescence spectroscopy, and cation effects test of Cu+ and Fe3+ were carried out. The corresponding fluorescence quantum yield was also calculated.
    对合成的D-A结构化合物4a-4f分别进行了溶剂化效应、吸收光谱、荧光光谱及Cu2+、Fe3+阳离子效应的测试,并计算了荧光量子产率。
  22. Maximum fluorescence yield Fm performance that coniferous forest is less than the mixed forest and less than the needle. There was a significant difference between the needle leaf mixed forest, coniferous forest and broad-leaved forest respectively.
    最大荧光产量Fm表现为针叶林小于阔叶林小于针阔混交林,且针阔混交林分别与针叶林、阔叶林之间存在显著性差异,针叶林与阔叶林之间无显著性差异。
  23. The low fluorescence quantum yield or small molar absorption coefficient of the analysed substances in aqueous solution precludes their trace amount determination.
    水溶液中待测物质的低荧光量子产率或摩尔吸光系数使其痕量测定难度较大,故β-环糊精对其的荧光或吸光增敏作用从定量分析的角度而言颇具研究应用价值。
  24. Fluorescein, the common fluorescent dye, has long excitation wavelength and higher fluorescence quantum yield.
    荧光素是一个经典的荧光染料,具有荧光量子产率高、激发和发射波长长的优点。
  25. From the results of solvent effects, absorption spectra and fluorescence spectra, we found that increasing the polarity of the solvent, the fluorescence quantum yield of the corresponding compounds decreased and the fluorescence intensity weakened.
    通过对溶剂化效应、吸收光谱、荧光光谱测试的结果分析,我们发现随着溶剂的极性增强,化合物的荧光量子产率逐渐降低,荧光强度减弱。
  26. In the organic phase, the temperature of the system can be adjusted in wide range, quantum dots have a higher fluorescence quantum yield, good monodispersity and stability, narrow fluorescence FWHM.
    量子点在有机体系中的生长温度可以在较大范围内进行调节,且制备的量子点具有较高的荧光量子产率、较好的单分散性和稳定性、较窄的荧光半峰宽。
  27. The molar extinction coefficient and fluorescence quantum yield can be obtained by using the data of the fluorescence and absorption spectra.
    利用光谱数据可计算得到色素蛋白的荧光量子产率和摩尔消光系数。